The purpose of this general survey is to show the role of the conjunctional suffixes in the tense of Cheju dialect. As a start, let us divide them into two patterns. They can be divided into reason and act-sequence suffixes according to their functions. From these suffixes, I found two tense forms, such as -n and .D; the former has [ + past] and the latter has [-past]. I would thus like to make a few rules relating the conception of the time of the native speaker with the tense system. First, the contrast of [+ past] to [- past] is explained by the time of utterance being now. Second, if the preceding conjunction involves [ + past], the final conjunction will involve [+ past]. Third, if the preceding conjunction involves [-past], ...